核心代碼塊：
package cn.ithelei;
public class Student {
// 成員變量
private String name;
private int age;
// 構(gòu)造方法
public Student() {
super();
}
public Student(String name, int age) {
super();
this.name = name;
this.age = age;
}
// 成員方法
// getXxx()/setXxx()
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
@Override
public String toString() {
return "Student [name=" + name + ", age=" + age + "]";
}
}
//
package cn.ithelei;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
/**
*
* @Package cn.ithelei
* @ClassName: CollectionTest
* @Description: TODO(這里用一句話描述這個類的作用)
* @author Administrator
* @date 2018-4-6 上午11:19:45
* @version 1.0
*/
/**
* 創(chuàng)建學(xué)生類
* 創(chuàng)建集合對象
* 創(chuàng)建學(xué)生對象
* 把學(xué)生對象添加到集合對象中
* 遍歷集合
*
*/
public class CollectionTest {
public static void main(String[] args) {
//創(chuàng)建集合對象
Collection c=new ArrayList();
//創(chuàng)建學(xué)生對象
Student s=new Student("helei",23);
Student s1=new Student("hetao",20);
Student s2=new Student();
s2.setName("heqiang");
s2.setAge(18);
//把學(xué)生對象添加到集合對象中
c.add(s);
c.add(s1);
c.add(s2);
c.add(new Student("jianfeng",18));//匿名對象
//遍歷
Iterator iterator =c.iterator();
while (iterator.hasNext()) {
Student student = (Student) iterator.next();
System.out.println(student.getName()+student.getAge());
}
}
}
- 郵箱：ithelei@sina.cn
- 技術(shù)討論群：687856230
- GoodLuck
